This 300 gsm Watercolour paper is manufactured on the Watercolour paper machine and features a cold pressed surface to suit the requirements of the most discerning artist. Harmony is particularly well suited for watercolour (wet-in-wet, smooth wash and dry painting), as well as gouache, tempera and acrylic. When wet, the natural white tough surface provides outstanding flatness. Colours can be applied easily, it is lignin and acid free, light resistant and features extraordinary longevity. Harmony is 100% Cellulose Paper